Tsutomu Washino

Title: Tsutomu Washino: Innovator in Sugar Manufacturing and Taste Modification

Introduction

Tsutomu Washino is a notable inventor based in Osaka, Japan. He has made significant contributions to the fields of sugar manufacturing and taste modification. With a total of 3 patents, his work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of Washino's latest patents is a method of manufacturing sugars by trehalase. This novel trehalase hydrolyzes .alpha.,.alpha.'-trehalose, 2,2'-dideoxy-.alpha.,.alpha.'-trehalose, and 2-deoxy-.alpha.,.alpha.'-trehalose into their respective constituting sugars. Importantly, it does not act on neotrehalose, lactose, maltose, celobiose, and sucrose. The enzyme exhibits an optimum pH of 5 to 6 and an optimum temperature of 65°C. It remains stable against heating up to 65°C, with a molecular weight of 400,000 to 500,000, while the subunit's molecular weight ranges from 180,000 to 250,000. Its isoelectric point is measured at 2.7, and it is classified as a glycoprotein.

Another significant patent involves a taste modifier and a method of modifying taste. This taste modifier comprises a flavone derivative as an active ingredient, which can enhance sourness, reduce saltiness, inhibit unpleasant sweetness, and enhance refreshing flavors. The derivative can also reduce flavors associated with acetic acid and enhance the overall deliciousness and savor of various tastes.

Career Highlights

Throughout his career, Tsutomu Washino has worked with several companies, including San-ei Gen F.F.I., Inc. and Osaka. His innovative work has positioned him as a key figure in the development of new food technologies.

Collaborations

Washino has collaborated with notable coworkers such as Masamitsu Moriwaki and Sumio Kitahata. Their combined expertise has contributed to the advancement of his research and inventions.

Conclusion

Tsutomu Washino's contributions to sugar manufacturing and taste modification highlight his innovative spirit and dedication to improving food technology. His patents reflect a deep understanding of biochemical processes and their applications in everyday products.